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Shimano SLX Disc Brake Caliper - BR-M7100 - 2-Piston

Shimano SLX Disc Brake Caliper - BR-M7100 - 2-Piston

High performance hydraulic disc brake caliper for efficient braking in all conditions. This Shiman...

Best current price£35.99from Tweeks Cycles

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Tweeks CyclesShimano SLX M7100 2-Piston Caliper
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eBayShimano SLX BR-M7100 MTB Hydraulic Disc Brake Caliper w/ Resin Pads G03S
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Product Information

Full details

This guide is for mountain bikers seeking reliable and powerful hydraulic disc braking. The Shimano SLX BR-M7100 caliper offers efficient, consistent stopping power for cross-country and trail riding, with a key benefit being its excellent heat management and control. A potential caveat is that it requires compatible brake levers and hydraulic hose for full integration. This 2-piston caliper features oversized ceramic pistons for improved insulation and rigidity, a lightweight forged monobody, and increased pad clearance for reduced drag, ensuring stable performance in various conditions.

All features

SeriesSLX
Model Part NumberBR-M7100
BrandSHIMANO

Extended Product Information

FAQs

What type of brake fluid does the BR-M7100 caliper use?

This caliper uses Shimano's proprietary mineral oil. It is non-corrosive and safe to handle. Do not use DOT fluid.

Can I use this caliper with SRAM brake levers?

While technically possible in some setups, it is not recommended. For optimal performance and reliability, use with compatible Shimano levers and hydraulic hose.

Is the BR-M7100 suitable for downhill riding?

The BR-M7100 is primarily designed for Cross Country and Trail riding. For more demanding Downhill or Enduro applications, a 4-piston caliper like the Shimano Saint or Zee series would be more appropriate.

How often should I bleed my brakes?

Brake bleeding frequency depends on riding conditions and usage. It's recommended to bleed annually or whenever the lever feels soft or braking performance diminishes.

What is the main advantage of the ceramic pistons?

The oversized ceramic pistons provide excellent heat insulation, which helps prevent brake fade during long descents. They also contribute to reduced weight and increased caliper rigidity.

Does this caliper come with adapters?

No, the Shimano SLX BR-M7100 caliper is typically sold as a standalone component and does not include mounting adapters. Adapters are sold separately and depend on your frame/fork's Post Mount configuration and rotor size.

How do I clean the caliper?

Use a clean cloth, slightly dampened with water, to wipe down the caliper body. Avoid spraying cleaners directly onto the caliper or rotor, as this can lead to contamination.

Troubleshooting

Brake lever feels spongy

The brake system likely has air in the lines. Perform a brake bleed following Shimano's instructions using fresh mineral oil.

Brakes are noisy or squealing

Ensure the rotor is clean and free of contaminants. Check brake pad alignment and condition. Consider bedding in the pads again. Contaminated pads may need replacement.

Rotor rubs against pads when not braking

Center the caliper over the rotor by loosening the mounting bolts slightly, applying the brake lever firmly, and then re-tightening the bolts. Check wheel alignment and ensure rotor is true.

Braking power has decreased

Inspect brake pads for wear. Check rotor condition and cleanliness. Ensure the hydraulic system is properly bled and filled with the correct fluid.

Pros and Cons

Pros

  • Excellent heat dissipation due to ceramic pistons.
  • Consistent and controlled braking performance.
  • Durable and lightweight construction.
  • Reduced rotor drag in adverse conditions.
  • Easy bleeding procedure.
  • Shim-less mounting for quick installation.

Cons

  • Requires compatible Shimano levers and hydraulic hose.
  • 2-piston design may offer less ultimate power than 4-piston options for extreme downhill use.
  • Requires specific mineral oil for hydraulic system.
  • Sold as a caliper only, levers and hose are separate purchases.
  • Post Mount design requires compatible frame/fork mounts.

Setup, Compatibility & Care

Setup:

  1. Ensure your bicycle frame and fork have Post Mount brake bosses. If not, a compatible adapter will be required.
  2. Attach the caliper to the frame/fork using the appropriate mounting bolts. For Post Mount, this typically involves bolts that thread directly into the mount.
  3. Connect the hydraulic hose to the caliper. Ensure the connection is secure and uses the correct fittings for Shimano hydraulic systems.
  4. Fill the system with Shimano mineral oil and bleed the brakes according to Shimano's instructions to remove air and ensure a firm lever feel.
  5. Align the caliper so it is centered over the rotor. Spin the wheel and check for any rubbing. Adjust as needed.

Compatibility:

  • Brake Lever: Compatible with Shimano SLX (M7100 series) or equivalent performance-level Shimano hydraulic levers.
  • Brake Hose: Requires Shimano hydraulic hose (e.g., SM-BH90).
  • Brake Rotor: Compatible with Shimano disc brake rotors (recommended SM-RT70 or similar).
  • Brake Pads: Compatible with Shimano J04C metal or J03A resin brake pads (or equivalent).
  • Mounting: Post Mount standard.

Care:

  • Regularly inspect brake pads for wear and replace when necessary.
  • Keep the caliper and rotor clean; avoid using petroleum-based lubricants near the braking surfaces.
  • Periodically check hydraulic fluid levels and condition. Bleed the system if the lever feels spongy or performance degrades.
  • Use only Shimano mineral oil for hydraulic fluid. Do not mix with other types of hydraulic fluid.

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